Super fast worth alot of points
the ages of alligators in a swamp are normally distributed, with a mean of 50 years and a standard deviation of 4. approximately what percentage of the alligators are between 45 and 55 years old?
78.87%
10.56%
89.44%
67.76%
question 2(multiple choice worth 3 points)
(05.03 lc)
wait times at an orthodontist's office are typically 17 minutes, with a standard deviation of 2 minutes. what percentage of people should be seen by the doctor between 11 and 23 minutes for this to be considered a normal distribution?
17%
68%
95%
99.7%